Home / 83,232,005.60-124,848,008.40-42,921,221.60

Finding the Fourth Proportional to 83,232,005.60, 124,848,008.40 and 42,921,221.60

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Solution

The fourth proportional to 83,232,005.60, 124,848,008.40 and 42,921,221.60 is: 64,381,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,232,005.60 : 124,848,008.40 = 42,921,221.60 : x
  2. Step 2: Convert to fraction form
    83,232,005.60/124,848,008.40 = 42,921,221.60/x
  3. Step 3: Cross multiply
    83,232,005.60x = 124,848,008.40 × 42,921,221.60
  4. Step 4: Simplify right side
    83,232,005.60x = 5,358,629,034,855,062
  5. Step 5: Solve for x
    x = 5,358,629,034,855,062/83,232,005.60
  6. Step 6: Final answer
    x = 64,381,832.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.